The U.S. Army Environmental Center (USAEC) moved to Fort Sam Houston in San Antonio, Texas, in May 2010. USAEC is a field-operating agency of the Army Chief of Staff for Installation Management and is charged with the responsibility for implementing the environmental program for the Army.

The U.S. Army Base Realignment and Closure (BRAC) Office manages all BRAC and selected Non-BRAC Excess properties and requirements while being good stewards of taxpayers' dollars and responsive to Army leadership.

EPA’s mission is to protect human health and to safeguard the natural environment – air, water, and land. EPA Region 4 serves the states of Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee.”